var wanyiBase = wanyiBase || {};
/**
 * [get cookie]
 * @param  {[type]} name [cookie name]
 * @return {[type]}      [cookie value]
 */
wanyiBase.getCookie = function(name){
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg)) {
        return decodeURIComponent(arr[2]);
    } else {
        return null;
    }
}

/**
 * [set cookie]
 * @param {[type]} name  [cookie name]
 * @param {[type]} value [cookie value]
 * @param {[type]} time  [hour]
 */
wanyiBase.setCookie = function(name,value,time) {　　
    var exp = new Date();　　
    exp.setTime(exp.getTime() + time * 60 * 60 * 1000); //有效期1小时    　　
    document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
}

/**
 * [delete cookie]
 * @param  {[type]} name [cookie name]
 * @return {[type]}      [description]
 */
wanyiBase.delCookie = function(name) {
    var exp = new Date();
    exp.setTime(exp.getTime() - 1);
    var cval = wanyiBase.getCookie(name);
    if (cval != null) {
        document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString() + "; path=/";
    }
}

